Hp Laptop screen flicker

Not exactly flicker. The screen on by HP pavilion goes black. Sometimes it can be "reactivated" by quickly punching the "lid close button". It does not seam to be any kind of physical bad connection that can be affected by moving the lid, tapping the notebook, or hitting it with a sledge hammer, etc. When the room lighting is right, the screen image can be seen, indicating that it is a back-light issue. Sometimes it does flicker and seems to coordinate with the hard drive light flicker. This has been a problem for two years or more. Fred

Yes, I'm having the same issue. Seems to be no rationale as to what's causing it. Last time, I just connected my external monitor to the laptop and that seemed to trigger the laptop backlite to work again. I agree, it appears to be the backlite issue and mine does flicker.Yes, I'm having the same issue. Seems to be no rationale as to what's causing it. Last time, I just connected my external monitor to the laptop and that seemed to trigger the laptop backlite to work again. I agree, it appears to be the backlite issue and mine does flicker.

AnonymousMar 13, 2008

screen back light problem, works when plugged to external monitorscreen back light problem, works when plugged to external monitor

Mine does exactly the same thing!I just have to switch it off and try again, usually i can just keep tilting the screen backwards and forwards. If its nearly closed the screens fine, but as soon as i open the screen it starts flickering and in the end goes black completely. Its def as if the back light goes out!I work in a audio, tv and computer department in john lewis and we've had a few complaints about this.

Its so frustrating!EmMine does exactly the same thing!I just have to switch it off and try again, usually i can just keep tilting the screen backwards and forwards. If its nearly closed the screens fine, but as soon as i open the screen it starts flickering and in the end goes black completely. Its def as if the back light goes out!I work in a audio, tv and computer department in john lewis and we've had a few complaints about this.
Its so frustrating!Em

zd8000 replaced system board that took care of checkerboard problem, replaced lcd inverter and flickering screen problem went away temporarily and is now back. I can change resolution like before and flicker goes away but always comes back. Only affects right side of screen. Ideas?zd8000 replaced system board that took care of checkerboard problem, replaced lcd inverter and flickering screen problem went away temporarily and is now back. I can change resolution like before and flicker goes away but always comes back. Only affects right side of screen. Ideas?

3 Answers

Hi, i noticed that when I unplugged my HP the screen stopped flickering. I then re-plugged in the power, when to the Nvidia control settings, to PowerMizer, and changed 'ac outlet' to Maximum Power Saving.

2 Suggested Answers

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I am sure that the issue is related to the cable that connects to the LCD Display or the LCD Backlight.
There should be some connection shortage because of which the LCD flickers few times as stated by dan231.
I Recommend you to get the Notebook examined as soon as possible before something really goes wrong...

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If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN ... Power LED and battery charge LED start flickering when you wiggle the power .... HP Pavilion dv7-4080us 17.3-inch Desktop Replacement Laptop PC... High-Capacity Battery For Hp Pavilion Zd8000 Series Laptops...www.articlesbase.com › Computers › Laptops

Most likely it is either a bad lcd inverter, due to the fact that you have clear picture on an external monitor. The inverter reduces the voltage coming from the motherboard to a lower level in order to power the lcd and the backlight. If this goes bad then you either get a picture randomly, a dim picture, or no picture on the lcd.

I am sure that the issue is related to the cable that connects to the LCD Display or the LCD Backlight.
There should be some connection shortage because of which the LCD flickers few times as stated by dan231.
I Recommend you to get the Notebook examined as soon as possible before something really goes wrong...